Kanagawa, Japan

Hiroyuki Urushibata

This inventor holds 4 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1983-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Urushibata. Retrieved from https://idiyas.com/inventor/hiroyuki-urushibata

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 3

Forward Citations = 146(Granted Patents)


Location History:

  • Yokohama, JP (1983)
  • Kanagawa, JP (1988 - 1992)

Company Filing History:


Years Active: 1983-1992

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4 patents (USPTO):Explore Patents

Title: Hiroyuki Urushibata: Innovator in Optical Disc Technology

Introduction

Hiroyuki Urushibata is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical disc technology, holding a total of 4 patents. His work primarily focuses on enhancing the functionality and efficiency of disc loading and drive apparatuses.

Latest Patents

Urushibata's latest patents include a "Disc Loading Apparatus" and a "Disc Drive Apparatus." The Disc Loading Apparatus features an optical disc player with a disc tray that can move between loading and reproducing positions. It includes a second chassis that supports a disc rotating device and an elevating mechanism for vertical movement. The design also incorporates an optical pickup supporting arm that skews relative to the disc surface, enhancing the precision of the optical pickup.

The Disc Drive Apparatus employs a locking mechanism that secures a movable base component to a stationary frame during loading and unloading operations. This mechanism is linked to a head drive that transfers information between the disc and the head, ensuring reliable operation during both locked and unlocked states.

Career Highlights

Hiroyuki Urushibata is currently associated with Sony Corporation, a leading company in the electronics industry. His innovative designs have contributed to the advancement of optical disc technology, making significant impacts on how data is stored and accessed.

Collaborations

Throughout his career, Urushibata has collaborated with talented individuals such as Kazuyuki Takizawa and Yoshiaki Kumagai. These collaborations have fostered a creative environment that has led to the development of cutting-edge technologies in the field.

Conclusion

Hiroyuki Urushibata's contributions to optical disc technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the way optical discs are utilized in modern technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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